Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 664 · 40 questions

Creator's tip (Width times height): Pixels = width × height; megapixels = pixels ÷ 1000000. Aspect ratio = width : height. 16:9 wide, 4:3 squarer, 1:1 square, 9:16 tall. Keep the ratio: a 16:9 frame 1920 pixels wide is 1920 ÷ 16 × 9 = 1080 tall. Printing: inches × pixels per inch.

1. 1.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
2. 2.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 You shrink a 200 × 280 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
6. 6.Which of these best fits 9:16? (a) a classic tablet screen (b) a widescreen slide (c) an upright phone screen (d) a laptop film screen
7. 7.Which of these best fits 9:16? (a) an older TV screen (b) a landscape video (c) a phone story clip (d) a square profile picture
8. 8.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
10. 10.🟦 An image is 2880 × 1620 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
11. 11.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
14. 14.🟦 An image is 320 pixels wide and 340 pixels tall. How many pixels does it have in all?
15. 15.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
16. 16.🟦 An image is 150 × 150 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
17. 17.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) taller than wide (d) wider than it is tall
18. 18.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
19. 19.Which of these best fits 1:1? (a) an upright phone screen (b) a square post (c) a landscape video (d) a tall phone video
20. 20.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
21. 21.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
22. 22.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) more colourful (d) squashed or wide
23. 23.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) blocky (pixelated) (d) louder
24. 24.🟦 The resolution of an image is … (a) the file name (b) the font (c) the paper colour (d) the number of pixels
25. 25.🟦 You shrink a 580 × 180 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
28. 28.Which of these best fits 16:9? (a) an upright phone screen (b) a square profile picture (c) a square post (d) a landscape video
29. 29.🟦 An image is 380 pixels wide and 340 pixels tall. How many pixels does it have in all?
30. 30.🟦 You shrink a 480 × 200 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.Which of these best fits 16:9? (a) a tall phone video (b) a widescreen TV (c) an album cover (d) a square post
32. 32.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
34. 34.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
35. 35.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
36. 36.Which of these best fits 9:16? (a) a landscape video (b) a square post (c) an older TV screen (d) a tall phone video
37. 37.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
38. 38.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
39. 39.🟦 An image is 50 pixels wide and 330 pixels tall. How many pixels does it have in all?
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?

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